EP1035511A3 - Encoding method and apparatus - Google Patents

Encoding method and apparatus Download PDF

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Publication number
EP1035511A3
EP1035511A3 EP00301924A EP00301924A EP1035511A3 EP 1035511 A3 EP1035511 A3 EP 1035511A3 EP 00301924 A EP00301924 A EP 00301924A EP 00301924 A EP00301924 A EP 00301924A EP 1035511 A3 EP1035511 A3 EP 1035511A3
Authority
EP
European Patent Office
Prior art keywords
coefficients
block
level
decomposition
predetermined
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00301924A
Other languages
German (de)
French (fr)
Other versions
EP1035511A2 (en
EP1035511B1 (en
Inventor
Paul Raymond Higginbottom
Eric Majani
James Philip Andrew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP1035511A2 publication Critical patent/EP1035511A2/en
Publication of EP1035511A3 publication Critical patent/EP1035511A3/en
Application granted granted Critical
Publication of EP1035511B1 publication Critical patent/EP1035511B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

Abstract

A method of encoding an digital image (502) by a discrete wavelet transform (DWT) to a predetermined level of decomposition on a block by block basis, each block (1501, 1504, 1506) having a specified size in number of coefficients, is disclosed. The image is divided into tiles, each having dimensions required to produce the number of coefficients in a first dimension of the transformed block at the predetermined level of decomposition, and less than the number of coefficients in a second dimension of the transformed block. At a particular DWT level, tiles are decomposed. HH, HL and LH subband coefficients are accumulated to form blocks of specified size, and these are encoded to a bit stream (402). A predetermined number of associated LL subband coefficients are similarly accumulated, the process performed recursively per DWT level until the predetermined decomposition level is attained, and the corresponding LL subband coefficients encoded to the bit stream (402).
EP00301924A 1999-03-12 2000-03-09 Encoding method and apparatus Expired - Lifetime EP1035511B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP918699 1999-03-12
AUPP9186A AUPP918699A0 (en) 1999-03-12 1999-03-12 Encoding method and appartus

Publications (3)

Publication Number Publication Date
EP1035511A2 EP1035511A2 (en) 2000-09-13
EP1035511A3 true EP1035511A3 (en) 2002-11-06
EP1035511B1 EP1035511B1 (en) 2011-03-02

Family

ID=3813385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00301924A Expired - Lifetime EP1035511B1 (en) 1999-03-12 2000-03-09 Encoding method and apparatus

Country Status (5)

Country Link
US (1) US6978048B1 (en)
EP (1) EP1035511B1 (en)
JP (1) JP4532653B2 (en)
AU (1) AUPP918699A0 (en)
DE (1) DE60045676D1 (en)

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US7630563B2 (en) * 2001-07-19 2009-12-08 Qualcomm Incorporated System and method for decoding digital image and audio data in a lossless manner
US20030055856A1 (en) * 2001-09-19 2003-03-20 Mccanny Paul Gerard Architecture component and method for performing discrete wavelet transforms
CN100401778C (en) * 2002-09-17 2008-07-09 弗拉迪米尔·切佩尔科维奇 Fast CODEC with high compression ratio and minimum required resources
AU2003268575B2 (en) * 2002-12-16 2006-02-02 Canon Kabushiki Kaisha Tiling a Compressed Image
JP3791505B2 (en) * 2003-03-14 2006-06-28 コニカミノルタビジネステクノロジーズ株式会社 Image processing device
US7327894B2 (en) * 2003-11-07 2008-02-05 Texas Instruments Incorporated Image compression
WO2005051000A1 (en) * 2003-11-21 2005-06-02 Electronics And Telecommunications Research Institute Interframe wavelet coding apparatus and method capable of adjusting computational complexity
US7450770B2 (en) * 2003-12-19 2008-11-11 National Taiwan University Architecture and method for parallel embedded block coding
US7565020B2 (en) * 2004-07-03 2009-07-21 Microsoft Corp. System and method for image coding employing a hybrid directional prediction and wavelet lifting
US7768538B2 (en) * 2005-05-09 2010-08-03 Hewlett-Packard Development Company, L.P. Hybrid data planes
JP4182446B2 (en) * 2006-07-14 2008-11-19 ソニー株式会社 Information processing apparatus and method, program, and recording medium
CN101192303B (en) * 2006-11-24 2010-04-07 北京中电华大电子设计有限责任公司 High speed bit flat surface decoding method and circuit suitable for Jpeg2000 standard
US8548056B2 (en) * 2007-01-08 2013-10-01 Qualcomm Incorporated Extended inter-layer coding for spatial scability
FR2919748B1 (en) * 2007-08-03 2009-11-27 Centre Nat Rech Scient METHOD AND ASSOCIATED SYSTEM OF WAVELET WAVE TRANSFORMER FOR MASSIVE MULTIDIMENSIONAL DATA
CN101222636B (en) * 2008-01-24 2011-05-11 杭州华三通信技术有限公司 Method and arrangement for encoding and decoding images
US8878041B2 (en) * 2009-05-27 2014-11-04 Microsoft Corporation Detecting beat information using a diverse set of correlations
CN104853202A (en) 2009-07-01 2015-08-19 汤姆森特许公司 Methods and apparatus for video encoders and decoders
US20120189064A1 (en) * 2011-01-14 2012-07-26 Ebrisk Video Inc. Adaptive loop filtering using multiple filter shapes
KR101920719B1 (en) * 2012-11-19 2019-02-13 삼성전자주식회사 Logic device, digital filter including the same, and method to control the same
US9241163B2 (en) * 2013-03-15 2016-01-19 Intersil Americas LLC VC-2 decoding using parallel decoding paths
US9906239B1 (en) * 2017-06-28 2018-02-27 Ati Technologies Ulc GPU parallel huffman decoding

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US5710835A (en) * 1995-11-14 1998-01-20 The Regents Of The University Of California, Office Of Technology Transfer Storage and retrieval of large digital images

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WO1995019683A1 (en) * 1994-01-14 1995-07-20 Houston Advanced Research Center Boundary-spline-wavelet compression for video images
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Also Published As

Publication number Publication date
JP4532653B2 (en) 2010-08-25
DE60045676D1 (en) 2011-04-14
JP2000308060A (en) 2000-11-02
US6978048B1 (en) 2005-12-20
EP1035511A2 (en) 2000-09-13
EP1035511B1 (en) 2011-03-02
AUPP918699A0 (en) 1999-04-15

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